PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

388-021Post Connector,airc

Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering · NSN 4920-01-571-8266 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-571-8266 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-571-8266. Primary manufacturer part number: 388-021.
Features
  • Post Connector,airc — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Post Connector,airc, cataloged under National Stock Number 4920-01-571-8266, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePost Connector,airc
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersAjax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (CAGE 74QK6); Risk Industries Llc Dba Pines Technology Div Headquarters (CAGE 4RPC2); Ilsco Corporation Dba Utilco Div (CAGE 70016)
Technical Specifications
ParameterValue
NSN4920-01-571-8266
Primary Part Number388-021
Item NamePost Connector,airc
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAjax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-199-7527 INTERCHANGEABLE
Contact,electrical
3895-00-221-1751 INTERCHANGEABLE
Tamper,piston-Hammer Type,pneuma
5935-00-422-5561 INTERCHANGEABLE
Terminal,sub-Minitu
5820-01-690-9907CP4 INTERCHANGEABLE
Teleconference System
Crestron Electronics, Inc. Dba Crestron Electronics Inc
Cross-Reference Index
Part NumberManufacturer
388-021 Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
388-021 Risk Industries Llc Dba Pines Technology Div Headquarters (USA)
CP-4 Ilsco Corporation Dba Utilco Div (USA)
Related Parts
5999-00-199-7527INTERCHANGEABLE
CONTACT,ELECTRICAL
3895-00-221-1751INTERCHANGEABLE
TAMPER,PISTON-HAMMER TYPE,PNEUMA
5935-00-422-5561INTERCHANGEABLE
TERMINAL,SUB-MINITU
5820-01-690-9907INTERCHANGEABLE
TELECONFERENCE SYSTEM
CP4

Frequently Asked Questions

What is NSN 4920-01-571-8266?

NSN 4920-01-571-8266 is a Post Connector,airc, manufactured by Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-571-8266?

NSN 4920-01-571-8266 has 3 cross-referenced part numbers: 388-021 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering), 388-021 (Risk Industries Llc Dba Pines Technology Div Headquarters), CP-4 (Ilsco Corporation Dba Utilco Div).

What NSN replaces 4920-01-571-8266?

There are 4 known substitutes for 4920-01-571-8266: 5999-00-199-7527, 3895-00-221-1751, 5935-00-422-5561 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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